GB2196302B - Blackboard eraser - Google Patents

Blackboard eraser

Info

Publication number
GB2196302B
GB2196302B GB8624849A GB8624849A GB2196302B GB 2196302 B GB2196302 B GB 2196302B GB 8624849 A GB8624849 A GB 8624849A GB 8624849 A GB8624849 A GB 8624849A GB 2196302 B GB2196302 B GB 2196302B
Authority
GB
United Kingdom
Prior art keywords
blackboard eraser
eraser
blackboard
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
GB8624849A
Other versions
GB2196302A (en
GB8624849D0 (en
Inventor
Jin-Sheng Chen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of GB8624849D0 publication Critical patent/GB8624849D0/en
Publication of GB2196302A publication Critical patent/GB2196302A/en
Application granted granted Critical
Publication of GB2196302B publication Critical patent/GB2196302B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L21/00—Blackboard or slate cleaning devices
    • B43L21/02—Blackboard or slate cleaning devices with means for absorbing the chalk dust
GB8624849A 1986-09-09 1986-10-16 Blackboard eraser Expired - Lifetime GB2196302B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19863630662 DE3630662A1 (en) 1986-09-09 1986-09-09 WALL PANEL CLEANER
DE8624147U DE8624147U1 (en) 1986-09-09 1986-09-09

Publications (3)

Publication Number Publication Date
GB8624849D0 GB8624849D0 (en) 1986-11-19
GB2196302A GB2196302A (en) 1988-04-27
GB2196302B true GB2196302B (en) 1990-10-03

Family

ID=25847356

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8624849A Expired - Lifetime GB2196302B (en) 1986-09-09 1986-10-16 Blackboard eraser

Country Status (6)

Country Link
US (1) US4742594A (en)
BE (1) BE905757A (en)
DE (2) DE3630662A1 (en)
FR (1) FR2604123A1 (en)
GB (1) GB2196302B (en)
NL (1) NL8602743A (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4941225A (en) * 1989-11-13 1990-07-17 Liao Su Land Automatic chalk-powder collecting device for blackboard eraser
US5530984A (en) * 1995-08-31 1996-07-02 Walker; William E. Quick wipe eraser for chalkboards
US6370720B1 (en) 1998-04-10 2002-04-16 Jang Chang-Ho Apparatus and a method for automatically erasing a blackboard
CN2484193Y (en) * 2001-06-29 2002-04-03 王玉龙 Dust-absorbing blackboard eraser
US6895627B1 (en) * 2004-02-02 2005-05-24 Chieh-Jen Lin Blackboard eraser
US7685672B2 (en) * 2005-05-18 2010-03-30 Hsi-Hur Lai Vacuum eraser for blackboards
US7721372B2 (en) 2005-05-31 2010-05-25 S.C. Johnson & Son, Inc. Fabric sweeper
US8011050B2 (en) * 2005-05-31 2011-09-06 S.C. Johnson & Son, Inc. Fabric sweeper
US20110247651A1 (en) 2010-04-13 2011-10-13 Neumann Peter M Fabric Sweeper
CN103241043B (en) * 2012-02-08 2015-06-17 俞渤仁 Single-sided dust collection blackboard eraser
CN105398265B (en) * 2014-10-30 2017-10-13 海门市彼维知识产权服务有限公司 A kind of dust-proof blackboard eraser with dust collection function
EP3125074A1 (en) * 2015-07-31 2017-02-01 Wipro Limited An electronic device for erasing contents on a writing board and a method thereof
JP6701808B2 (en) * 2016-03-01 2020-05-27 セイコーエプソン株式会社 Printer
CN106427322A (en) * 2016-09-12 2017-02-22 芜湖能盟信息技术有限公司 Dust-collecting blackboard eraser
CN106515284B (en) * 2016-11-16 2018-05-11 海门黄海创业园服务有限公司 A kind of efficient powder-sucking eraser for blackboard

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1487052A (en) * 1922-09-21 1924-03-18 Enomoto Daniel Eraser
US4080683A (en) * 1976-11-22 1978-03-28 Chong Sun Yi Chalk board eraser
GB2090123B (en) * 1980-12-09 1984-09-12 Pang Hiang Seng Blackboard duster
GB2132946B (en) * 1982-12-20 1986-09-03 Wen Chin Lee Automatic blackboard duster
US4462134A (en) * 1982-12-20 1984-07-31 Wang Jeng Lin Blackboard eraser

Also Published As

Publication number Publication date
NL8602743A (en) 1988-05-16
DE3630662A1 (en) 1988-03-17
GB2196302A (en) 1988-04-27
DE8624147U1 (en) 1986-11-27
GB8624849D0 (en) 1986-11-19
US4742594A (en) 1988-05-10
DE3630662C2 (en) 1989-12-21
FR2604123A1 (en) 1988-03-25
BE905757A (en) 1987-03-02

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee